<template>
  <div class="app-container">
    <el-row :gutter="20">
      <!--部门数据-->
      <el-col :span="4" :xs="24">
        <div class="head-container">
          <el-input
            v-model="deptName"
            placeholder="请输入节点名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            :data="deptOptions"
            :props="defaultProps"
            :expand-on-click-node="false"
            :defaultExpandAll="false"
            :filter-node-method="filterNode"
            ref="tree"
            node-key="id"
            default-expand-all
            highlight-current
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>
      <!--用户数据-->
      <el-col :span="20" :xs="24">
        <!--   搜索区     -->
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
                 label-width="68px">
          <el-form-item label="姓名" prop="userName">
            <el-input
              v-model="queryParams.studentName"
              placeholder="请输入姓名"
              clearable
              style="width: 240px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="学号" prop="stuNo">
            <el-input
              v-model="queryParams.stuNo"
              placeholder="请输入学号"
              clearable
              style="width: 240px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="状态" prop="status">
            <el-select
              v-model="queryParams.status"
              placeholder="学生状态"
              clearable
              style="width: 240px"
            >
              <el-option
                v-for="dict in dict.type.sys_normal_disable"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
              />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>
        <!--    功能按钮    -->
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button
              type="primary"
              plain
              icon="el-icon-plus"
              size="mini"
              @click="handleAdd"
              v-hasPermi="['campus:students:add']"
            >新增
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="success"
              plain
              icon="el-icon-edit"
              size="mini"
              :disabled="single"
              @click="handleUpdate"
              v-hasPermi="['campus:students:edit']"
            >修改
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="danger"
              plain
              icon="el-icon-delete"
              size="mini"
              :disabled="multiple"
              @click="handleDelete"
              v-hasPermi="['campus:students:remove']"
            >删除
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="info"
              plain
              icon="el-icon-upload2"
              size="mini"
              @click="handleImport"
              v-hasPermi="['system:user:import']"
            >导入
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button
              type="warning"
              plain
              icon="el-icon-download"
              size="mini"
              @click="handleExport"
              v-hasPermi="['campus:students:export']"
            >导出
            </el-button>
          </el-col>
          <el-dropdown :hide-on-click="false" class="top-right-btn">
          <span class="el-dropdown-link">
            <el-button size="mini" icon="el-icon-setting" circle></el-button>
          </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item v-for="field in columns" :key="field.key">
                <el-checkbox :value="field.visible" @change="downChange(field.key)">{{ field.label }}</el-checkbox>
              </el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
          <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table v-loading="loading" :data="studentsList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="55" align="center"/>
          <el-table-column label="ID" align="center" prop="studentId" v-if="columns[0].visible"/>
          <el-table-column label="学号" align="center" prop="stuNo" v-if="columns[1].visible"/>
          <el-table-column label="姓名" align="center" prop="studentName" v-if="columns[2].visible"/>
          <el-table-column label="学校" align="center" prop="schoolName"  v-if="columns[3].visible" />
          <el-table-column label="学院" align="center" prop="college"  v-if="columns[4].visible" />
          <el-table-column label="专业" align="center" prop="major"  v-if="columns[5].visible" />
          <el-table-column label="班级" align="center" prop="clazz"  v-if="columns[6].visible" />
          <el-table-column label="手机号码" align="center" prop="phonenumber" v-if="columns[7].visible"
                           :show-overflow-tooltip="true"/>
          <el-table-column label="用户性别" align="center" prop="sex" v-if="columns[8].visible"
                           :show-overflow-tooltip="true">
            <template slot-scope="scope">{{ scope.row.sex == 1 ? '女' : '男' }}</template>
          </el-table-column>
          <el-table-column label="状态" align="center" key="status" v-if="columns[9].visible">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.status"
                active-value="0"
                inactive-value="1"
                :disabled="true"
              ></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="创建人" align="center" prop="createBy" v-if="columns[10].visible" />
          <el-table-column label="创建时间" align="center" prop="createTime" v-if="columns[11].visible" />
          <el-table-column label="更新者" align="center" prop="updateBy" v-if="columns[12].visible" />
          <el-table-column label="更新时间" align="center" prop="updateTime" v-if="columns[13].visible" />
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
                v-hasPermi="['campus:students:edit']"
              >修改
              </el-button>
              <el-button
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
                v-hasPermi="['campus:students:remove']"
              >删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>

        <pagination
          v-show="total>0"
          :total="total"
          :page.sync="queryParams.pageNum"
          :limit.sync="queryParams.pageSize"
          @pagination="getList"
        />


      </el-col>
    </el-row>


    <!-- 添加或修改学生对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="姓名" prop="studentName">
              <el-input v-model="form.studentName" placeholder="请输入学生姓名" maxlength="30"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="班级" prop="deptId">
              <treeselect v-model="form.deptId" :options="deptOptions" :show-count="true" placeholder="请选择归属班级"/>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="手机号码" prop="phonenumber">
              <el-input v-model="form.phonenumber" placeholder="请输入手机号码" maxlength="11"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="学号" prop="stuNo">
              <el-input v-model="form.stuNo" placeholder="请输入学号" maxlength="50"/>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="用户性别">
              <el-select v-model="form.sex" placeholder="请选择性别">
                <el-option
                  v-for="dict in dict.type.sys_user_sex"
                  :key="dict.value"
                  :label="dict.label"
                  :value="dict.value"
                ></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in dict.type.sys_normal_disable"
                  :key="dict.value"
                  :label="dict.value"
                >{{ dict.label }}
                </el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!-- 用户导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="upload.updateSupport"/>
            是否更新已经存在的用户数据
          </div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;"
                   @click="importTemplate">下载模板
          </el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listStudents, getStudents, delStudents, addStudents, updateStudents} from "@/api/campus/students";
import {deptSchoolTreeSelect} from "@/api/campus/Org";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import {getToken} from "@/utils/auth";

export default {
  name: "Students",
  dicts: ['sys_normal_disable', 'sys_user_sex'],
  components: {Treeselect},
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 部门树选项
      deptOptions: undefined,
      defaultProps: {
        children: "children",
        label: "label"
      },
      // 部门名称
      deptName: undefined,
      // 总条数
      total: 0,
      // 学生表格数据
      studentsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        studentId: null,
        studentName: null,
        userName: undefined,
        phonenumber: undefined,
        deptId: undefined,
        sex: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 列信息
      columns: [
        {key: 0, label: `ID`, prop: 'studentId', visible: false},
        {key: 1, label: `学号`, prop: 'stuNo', visible: true},
        {key: 2, label: `姓名`, prop: 'studentName', visible: true},
        {key: 3, label: `学校`, prop: 'school', visible: false},
        {key: 4, label: `学院`, prop: 'college', visible: false},
        {key: 5, label: `专业`, prop: 'major', visible: true},
        {key: 6, label: `班级`, prop: 'clazz', visible: true},
        {key: 7, label: `手机号码`, prop: 'phonenumber', visible: true},
        {key: 8, label: `用户性别`, prop: 'sex', visible: false},
        {key: 9, label: `状态`, prop: 'status', visible: true},
        {key: 10, label: `创建人`, prop: 'createBy', visible: false},
        {key: 11, label: `创建时间`, prop: 'createTime', visible: false},
        {key: 12, label: `更新者`, prop: 'updateBy', visible: false},
        {key: 13, label: `更新时间`, prop: 'updateTime', visible: false},
      ],
      rules: {},
      // 学生导入参数
      upload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: {Authorization: "Bearer " + getToken()},
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/campus/students/importData"
      },
    };
  },
  watch: {
    // 根据名称筛选部门树
    deptName(val) {
      this.$refs.tree.filter(val);
    }
  },
  created() {
    this.getList();
    this.getDeptTree();
  },
  methods: {
    /** 查询学生列表 */
    getList() {
      this.loading = true;
      listStudents(this.queryParams).then(response => {
        this.studentsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 查询部门下拉树结构 */
    getDeptTree() {
      deptSchoolTreeSelect().then(response => {
        this.deptOptions = response.data;
      });
    },    // 筛选节点
    filterNode(value, data) {
      if (!value) return true;
      return data.label.indexOf(value) !== -1;
    },
    // 节点单击事件
    handleNodeClick(data) {
      this.queryParams.deptId = data.id;
      this.handleQuery();
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        studentId: null,
        studentName: null,
        schoolId: null,
        collegeId: null,
        majorsId: null,
        gradesId: null,
        classesId: null,
        phonenumber: null,
        sex: null,
        status: null,
        delFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.studentId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学生";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const studentId = row.studentId || this.ids
      getStudents(studentId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学生";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.studentId != null) {
            updateStudents(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStudents(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const studentIds = row.studentId || this.ids;
      this.$modal.confirm('是否确认删除学生编号为"' + studentIds + '"的数据项？').then(function () {
        return delStudents(studentIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('campus/students/export', {
        ...this.queryParams
      }, `students_${new Date().getTime()}.xlsx`)
    },
    /** ================================================================================================================== */
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "学生导入";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download('campus/students/importTemplate', {}, `student_template_${new Date().getTime()}.xlsx`)
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", {dangerouslyUseHTMLString: true});
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
    downChange(val) {
      const column = this.columns.find(col => col.key === val);
      if (column) {
        column.visible = !column.visible;
      }
    }
  }
};
</script>
